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paracentesis Syllabification: par·a·cen·te·sis
Pronunciation: /ˌperəsenˈtēsəs/

Definition of paracentesis in English:

noun (plural paracenteses-ˌsēz)

The perforation of a cavity of the body or of a cyst or similar outgrowth, especially with a hollow needle to remove fluid or gas.
Example sentences
  • Patients with new-onset ascites or clinical deterioration should undergo paracentesis.
  • A paracentesis done upon admission to the hospital was negative for tumor cells.
  • In patients with cirrhosis, ascites is treated with paracentesis and spironolactone.


Late 16th century: via Latin from Greek parakentēsis, from parakentein 'pierce at the side'.

Definition of paracentesis in:
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